Micro-controller unit based ■ Real time processing / High precision ■ Protections : Over current, Under current, Phase loss, Phase reversal, Stall, Jam, Current Imbalance, Earth fault (3MZ2/FMZ2) ■ Inverse available up to 32Amps without external CTs. ■ Ancillary functions : Fail safe, Pre-alarm (3DM2/FDM2), Accumulated running hour, 3 faults records & limitation of auto-restart. ■ Reinforced monitoring function : Monitoring distance up to 400M, 3 phase current display, Pre-alarm (3DM2/FDM2) & Trip cause indication ■ Bar graph indication of a load current to the current setting. ■ Available application on single and 3 phase motor ■ RoHS Compliance ■ For FDM2/FMZ2, normal protections are guaranteed even if PDM is disconnected.
Protective Item
Condition & Setting range
Operation time
Over-current
Condition : Load current (In) exceeds setting current (Is) Setting range : 0.5~60A (Def), 0.5~32A (Inv)
Definite (Def) : 0.2~30s adjust. Inverse (Inv) : 1~30 class
